【實用通訊app】Upalm|最夯免費app

UTWT Sip client

This is the client for UTWT.

Key Features:

Support SIP protocol

Support speaker phone

Voice mail notification

Support DTMF tone (RFC2833/Inband) during the call

Support G711 and GSM codec

Support using alternative RTP port

Support Stun for NAT Traversing

Support Sip Proxy

Capability of mute/hold call

Support multiple SIP accounts

Dial directly from iPhone's address book

Support prefix dialing when make call from address book

Redial from recent call list

Shortcut to make regular celluar call

And much more ...

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免費玩Upalm App

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